This set of 2 black O2 sensors from O2 brand are a direct fit for Acura TL RL models from 1995 to 2004, as well as some Eagle, Mitsubishi, and Plymouth models. They are compatible with both upstream and downstream placement on the vehicle and have a universal fitment option. These oxygen sensors have a sensor type of "Oxygen Sensor" and a connector color of "Black". They are a performance part with features such as direct fit, making them easy to install. The sensors have 2 wires each and are designed to replace the original sensors without talking about their condition. With these sensors, you can be sure that your vehicle's air and fuel delivery system is functioning optimally.